diff --git a/changelog.md b/changelog.md
index aaf33b8..2da17a0 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,14 @@
+## 1.3.4
+
+Version 1.3.4 of OpenJournal comes with several internal fixes.
+
+### Fixes
+
+* Fix lock file
+
 ## 1.3.3
 
-Version 1.3.3 of OpenJOurnal comes with several internal fixes and the Qalculate support.
+Version 1.3.3 of OpenJournal comes with several internal fixes and the Qalculate support.
 
 ### Fixes
 
diff --git a/resources/installer.nsi b/resources/installer.nsi
index cf14170..18819a8 100644
--- a/resources/installer.nsi
+++ b/resources/installer.nsi
@@ -5,7 +5,7 @@
 
 !define VERSIONMAJOR 1
 !define VERSIONMINOR 3
-!define VERSIONBUILD 3
+!define VERSIONBUILD 4
 OutFile "../src/OpenJournalInstaller.exe"
  
 # set desktop as install directory
diff --git a/src/main.cpp b/src/main.cpp
index 0d07b32..d4ab7d4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -41,7 +41,7 @@ int main(int argc, char *argv[]) {
 
   a.setOrganizationName("Analyzable");
   a.setApplicationName("OpenJournal");
-  a.setApplicationVersion("1.3.3");
+  a.setApplicationVersion("1.3.4");
   QFontDatabase::addApplicationFont(":/Lato.ttf");
   QFontDatabase::addApplicationFont(":/Caveat.ttf");
   MainWindow w;